diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e274bec..9a9eeb3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,6 +15,7 @@ jobs:
           - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4'
     steps:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1